tricrotism

Century Dictionary and Cyclopedia

1. n. The state of being tricrotic: used of the pulse. See cut under sphygmogram.

Wiktionary

1. n. biology The condition of the arterial pulse in which there is a triple beat, so that the pulse curve obtained in a sphygmographic tracing shows two secondary crests in addition to the primary one.

GNU Webster's 1913

1. n. (Physiol.) That condition of the arterial pulse in which there is a triple beat. The pulse curve obtained in the sphygmographic tracing characteristic of tricrotism shows two secondary crests in addition to the primary.